One of the mysteries of the English language finally explained.
A hollow object designed to have a strong resonance at a particular pitch and no other significant resonances.
Mid 19th century. Described by Helmholtz in 1859 in Gelehrte Anzeigen der Königl. Bayerischen Akad. der Wissensch 48 553.
In this article we explore how to impress employers with a spot-on CV.